4.Ritual. The raiders need to put paid to your transgressions,
whether you know about them or not. (turf protection, initiation rites, adulthood
ceremony, religious sacrifice, food for the Beast, status seeking, rule
enforcement (taboos, boundaries, treaties, etiquette, tolls) This result has a
lot of role-play potential in it, so don’t be afraid to let the solution to
this problem be diplomacy, or even a simple apology.